package day6;
import java.util.Arrays;
public class Test1 {
public static void main(String[] args) {
//创建一个oldArray[]
int[] oldArray = {1,3,-1,5,-2};
System.out.println("原数组");
for (int a = 0;a<oldArray.length;a++){
System.out.print(oldArray[a]+",");
}
paiXu(oldArray);
System.out.println("");
System.out.println("排序后的数组");
for (int a = 0;a<oldArray.length;a++){
System.out.print(oldArray[a]+",");
}
}
//创建一个升序方法
public static void paiXu (int[] oldArray){
//寻找最大值的个数
for (int j = 0;j<oldArray.length-1;j++)
{
int max = oldArray[0];
int index=0;
//寻找最大值
for (int i=1;i<oldArray.length-j;i++) {
if (oldArray[i] > max) {
max = oldArray[i];
index = i;
}
}
//将未排序的最后一位与最大值互换
if (index !=oldArray.length-1-j){
int temp = oldArray[oldArray.length-1-j];
oldArray[oldArray.length-1-j] = oldArray[index];
oldArray[index]=temp;
}
}